Properties (Junior Cert Wood Technology): Flashcards
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Practise the cards
14 cards from this deck
Key properties of metals
Key properties of metals
Electrical/thermal conductivity, ductility, malleability, lustre
Physical properties of metals
Physical properties of metals
Attributes that don't change the metal's nature
Mechanical properties of metals
Mechanical properties of metals
How metals act under force - ductility, malleability
Electrical conductivity
Electrical conductivity
Ability to efficiently carry electrical current
Thermal conductivity
Thermal conductivity
Ability to transfer heat
Ductility
Ductility
Ability to be drawn into thin wires
Malleability
Malleability
Ability to deform under pressure, forming sheets
Lustre
Lustre
Shiny surface that reflects light
Ferrous metals characteristics
Ferrous metals characteristics
Contain iron, strong, magnetic, rust easily
Non-ferrous metals characteristics
Non-ferrous metals characteristics
Lack iron, resistant to corrosion
Why is copper used in wiring?
Why is copper used in wiring?
High electrical conductivity
Why is aluminium used in aerospace?
Why is aluminium used in aerospace?
Lightweight and formable nature
What happens when metals are heated?
What happens when metals are heated?
They expand/enlarge
Why are light metals preferred in transport?
Why are light metals preferred in transport?
Boost fuel efficiency and performance